diff --git a/src/floating-action-button.jsx b/src/floating-action-button.jsx
index bbb003df65f18e..da874fcb13165e 100644
--- a/src/floating-action-button.jsx
+++ b/src/floating-action-button.jsx
@@ -190,7 +190,8 @@ let FloatingActionButton = React.createClass({
           disabled={disabled}
           style={this.mergeAndPrefix(
             styles.container,
-            this.props.mini && styles.containerWhenMini
+            this.props.mini && styles.containerWhenMini,
+            iconStyle
           )}
           focusRippleColor={styles.icon.color}
           touchRippleColor={styles.icon.color}>